4. Radiant energy
  5. Infrared-to-visible imaging

Abraham Groeneweg

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Device for positioning X-ray films and intensifying screens

Radiant energy – Luminophor irradiation – Self-luminous article
Patent

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Device for viewing residual light in the visible and the near in

Radiant energy – Infrared-to-visible imaging
Patent

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Film transport

Sheet feeding or delivering – Delivering – Rotary conveyor
Patent

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Monocular night glass with pivotable power unit

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent

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Multi-image camera

Photocopying – Contact printing – Light boxes
Patent

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Profile ID: LFUS-PAI-P-500487

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